fix(app): Normalize provisioning templates and Clerk props

Use autoescape for Jinja rendering to satisfy bandit checks and\nremove deprecated Clerk SignInButton props to restore type checks.\nAlso ignore tsbuildinfo artifacts and tidy boot instructions.\n\nCo-Authored-By: Claude <noreply@anthropic.com>

templates/BOOT.md

@@ -2,5 +2,6 @@
 
 On startup:
 1) Verify API reachability (GET {{ base_url }}/api/v1/gateway/status).
-2) If you send a boot message, end with NO_REPLY.
-3) If BOOTSTRAP.md exists in this workspace, the agent should run it once and delete it.
+2) Connect to Mission Control once by sending a heartbeat check-in.
+3) If you send a boot message, end with NO_REPLY.
+4) If BOOTSTRAP.md exists in this workspace, the agent should run it once and delete it.

templates/HEARTBEAT.md

@@ -7,6 +7,10 @@ If this file is empty, skip heartbeat work.
 - AUTH_TOKEN (agent token)
 - AGENT_NAME
 
+## Schedule
+- Run this heartbeat every 10 minutes.
+- On first boot, send one immediate check-in before the schedule starts.
+
 ## On every heartbeat
 1) Check in:
 ```bash